Home / 725,678.48-1,001,457.96-439,250.96

Finding the Fourth Proportional to 725,678.48, 1,001,457.96 and 439,250.96

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Solution

The fourth proportional to 725,678.48, 1,001,457.96 and 439,250.96 is: 606,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,678.48 : 1,001,457.96 = 439,250.96 : x
  2. Step 2: Convert to fraction form
    725,678.48/1,001,457.96 = 439,250.96/x
  3. Step 3: Cross multiply
    725,678.48x = 1,001,457.96 × 439,250.96
  4. Step 4: Simplify right side
    725,678.48x = 439,891,370,329.64
  5. Step 5: Solve for x
    x = 439,891,370,329.64/725,678.48
  6. Step 6: Final answer
    x = 606,179.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.